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    • 22. 发明授权
    • Computer keyboard key depression inhibitor device
    • 电脑键盘按键抑制装置
    • US5348405A
    • 1994-09-20
    • US105143
    • 1993-08-12
    • Raymond R. Lupkas
    • Raymond R. Lupkas
    • B41J5/26
    • B41J5/26H01H2217/022
    • A key depression inhibitor device for a computer keyboard is disclosed which is intended to prevent accidental or inadvertent manual depression of a certain key or combination of keys on a computer keyboard. The device has top, side and end walls which form a generally hollow cover adapted to fit over a single key or certain combinations of key in the "F" key section, page control key section and cursor control key section of a computer keyboard. The device is constructed to fit snugly over the key or combination of keys which it is intended to cover and to be readily removable therefrom, so that it can be installed and removed at will as needed.
    • 公开了一种用于计算机键盘的按键抑制装置,其旨在防止意外或无意地手动按压某个键或键盘组合。 该装置具有顶部,侧壁和端壁,其形成一个大致中空的盖子,适合于在计算机键盘的“F”键部分,页面控制键部分和光标控制键部分中的单个键或键的某些组合上。 该装置被构造成紧密地配合在其旨在覆盖并且易于从其移除的键的键或组合上,使得可以根据需要随意地安装和移除。
    • 24. 发明授权
    • Counterbalance touch control
    • 反平衡触控
    • US3823806A
    • 1974-07-16
    • US32161173
    • 1973-01-08
    • SCM CORP
    • DIAMOND H
    • B41J5/26B41J7/26
    • B41J5/26
    • The key depression touch of a key-actuated business machine is controlled by adjusting the position of a spring bail which simultaneously controls the tension of all the key lever springs. A manually positioned control member with attendant linkages positions the spring bail and simultaneously adjusts the tension of counterbalancing spring means to minimize the unbalanced spring forces acting on the spring bail and the entire touch control system at all touch settings of the touch control apparatus.
    • 通过调节弹簧吊环的位置来控制钥匙启动的商业机器的按键触摸,同时控制所有钥匙杆弹簧的张力。 具有伴随的联动装置的手动定位的控制构件定位弹簧吊环,同时调节平衡弹簧装置的张力,以最小化在触摸控制装置的所有触摸设置下作用在弹簧吊环和整个触摸控制系统上的不平衡弹簧力。
    • 25. 发明授权
    • Space bar assembly
    • 空间酒吧大会
    • US3771636A
    • 1973-11-13
    • US3771636D
    • 1971-04-02
    • CLARE PENDAR CO
    • KERNS F
    • B41J5/26H01H3/12B41J19/00
    • B41J5/26H01H3/122
    • A manual keyboard unit having a number of regular manual keys of uniform ''''touch'''' or ''''feel'''' includes a commonly provided elongatgd manual input operator such as a space bar. The space bar is coupled to a motion equalizing or balancing assembly including a pair of supports coupled by a mechanism which imparts uniform movement to the elongated bar regardless of the point of manual actuation. A bias spring acting on the levers can balance the mass and friction of the equalizing assembly and the bar to give the space bar the desired ''''touch'''' or ''''feel.
    • 具有多个具有均匀的“触摸”或“感觉”的常规手动键的手动键盘单元包括通常提供的伸长手动输入操作器,例如空格键。 空间杆联接到运动平衡或平衡组件,其包括一对支撑件,该支撑件通过机构联接,该机构将均匀运动提供给细长杆,而不管手动致动点。 作用在杠杆上的偏置弹簧可以平衡均衡组件和杆的质量和摩擦力,以使空间杆具有所需的“触摸”或“感觉”。